Quote Originally Posted by Taika View Post
Yes, if you buy the steam version, you will need to buy all the future expansions etc. on that.

The easiest way is to just download it from the SE store (NA one: https://store.na.square-enix.com). I recommend the complete digital edition, will probably come much cheaper.
Right now she's just wanting to buy the starter one for $20 because she isn't 100% sure if she likes the game yet.